Long-term Debt (Details) (USD $)	12 Months Ended
	Sep. 30, 2012	Sep. 30, 2011
Line Of Credit Facility (Textual) [Abstract]
Effective Interest rate	2.36%
Revolving Credit Facility [Member]
Line Of Credit Facility (Textual) [Abstract]
Revolving loan credit facility	$ 80,000,000
Current pricing forecast and a discount rate	8.00%
Borrowing base of credit facility	35,000,000
Secured by carrying value	41,343,303
Credit facility matures	Nov. 30, 2014
Interest rate description	National prime plus from 0.50% to 1.25% or 30 day Libor Plus from 2.00% to 2.75%
Outstanding debt	$ 14,874,985	$ 0
Option Two [Member] | Minimum [Member]
Line Of Credit Facility (Textual) [Abstract]
Interest rate basis	2.00%
Option Two [Member] | Maximum [Member]
Line Of Credit Facility (Textual) [Abstract]
Interest rate basis	2.75%
Option One [Member] | Minimum [Member]
Line Of Credit Facility (Textual) [Abstract]
Interest rate basis	0.50%
Option One [Member] | Maximum [Member]
Line Of Credit Facility (Textual) [Abstract]
Interest rate basis	1.25%